import gleam/list
import gleeunit

import musicplayer/control.{type Control, type Mode}
import musicplayer/input/key.{type Key, Char}

pub fn main() -> Nil {
  gleeunit.main()
}

type TestCase {
  TestCase(key: Key, mode: Mode, expected: Result(Control, Nil))
}

pub fn control_from_key_test() {
  let idle_tests = [
    TestCase(Char(" "), control.Idle, Ok(control.TogglePlayPause)),
    TestCase(Char("/"), control.Idle, Ok(control.Search("", True))),
    TestCase(Char("q"), control.Idle, Ok(control.Exit)),
  ]

  let search_tests = [
    TestCase(Char("a"), control.Searching(""), Ok(control.Search("a", True))),
    TestCase(Char("b"), control.Searching("a"), Ok(control.Search("ab", True))),
  ]

  let test_cases = [idle_tests, search_tests]

  list.each(list.flatten(test_cases), fn(tc) {
    assert tc.expected == control.from_key(tc.key, tc.mode)
  })
}